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The Female Connector (Metric Tube to ISO Parallel – RP) is a high-performance instrumentation fitting designed to connect metric tubing to male ISO parallel (BSPP) threads with a focus on ease of assembly and high-pressure integrity. Unlike tapered threads that rely on thread deformation for a seal, these connectors typically utilize a gasket or an O-ring interface at the base of the parallel thread to ensure a gastight, leak-proof connection. Engineered for durability, they are commonly fabricated from 316 stainless steel to provide superior resistance to chemical corrosion and extreme temperatures. These fittings are indispensable in industrial systems—such as hydraulic power units and fluid processing plants—where frequent maintenance or high-vibration conditions require a reliable, repeatable seal between metric tubing and parallel-threaded ports.
| FEMALE CONNECTOR | ||||||||
|---|---|---|---|---|---|---|---|---|
| Metric Tube | ISO Parallel Thread (RP) | |||||||
| T-Tube O.D. (mm) | P-RP Thread Size | Basic Ordering Number | Dimensions mm (in) | |||||
| L | B | C | E | G | F | |||
| 6 | 1/8 | VFC-SS-6M-2RP | 33.5(1.32) | 15.5(0.61) | 15.3(0.60) | 4.8(0.19) | 14.0(0.55) | 14.0(0.55) |
| 6 | 1/4 | VFC-SS-6M-4RP | 39.4(1.55) | 15.5(0.61) | 15.3(0.60) | 4.8(0.19) | 14.0(0.55) | 19.0(0.75) |
| 22 | 3/4 | VFC-SS-M22-12RP | 53.3(2.10) | 20.5(0.81) | 26.0(1.02) | 18.3(0.72) | 32.0(1.26) | 35.0(1.38) |
| 25 | 1 | VFC-SS-M25-16RP | 63.9(2.52) | 23.5(0.93) | 31.3(1.23) | 21.8(0.86) | 38.0(1.50) | 40.0(1.57) |